Question: When did the marriage between Marilyn Monroe and James Dougherty end?
Paraphrase: When did Marilyn Monroe & James Dougherty separate?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q4616 p:P26 ?s . ?s ps:P26 wd:Q946783 . ?s pq:P582 ?value1 . ?s pq:P2842 ?value2 }